Microsoft Office repair: find your version, fix crashes, and free alternatives

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What you need to repair Microsoft Office

Before starting any repair, gather a few essentials: your device with the Office apps installed, a stable internet connection for online repair options, and your Microsoft account login details.

Back up important Office documents to an external drive or cloud before proceeding. This prevents data loss if the repair requires reinstallation.

Have admin rights on your computer. Repairing or reinstalling Office often needs permission to make system changes.

If you have a volume license or Office deployed by your workplace IT, you might need to contact your administrator before attempting repairs, as some options could be restricted or managed remotely. It helps to understand screen recorder issue after update before going further.

Ensure your device meets the minimum system requirements for the Office version installed. For example, Office 365 requires Windows 10 or newer on PCs and macOS Mojave (10.14) or later on Macs. Repair attempts on unsupported systems may fail or cause further issues.

• Device with Office installed – Windows PC or Mac
• Internet connection – for downloading repair files
• Microsoft account credentials – to verify and reactivate
• Backup solution – external drive or cloud storage
• Administrator access – to run repair utilities

How to find what Office suite you have installed

Open any Office app like Word or Excel, click 'File', then select 'Account' or 'Help'. Your Office version appears under 'Product Information'.

Look for whether it says 'Microsoft 365' (subscription) or 'Office 2019/2016' (one-time purchase). This affects what repair options you get. It helps to understand windows 10 crash types before going further.

On Windows, you can also check installed programs via Control Panel > Programs and Features to see Office version details.

Mac users find version by opening an Office app, clicking the app name in the top menu, and selecting 'About'.

1. Open Word, Excel, or any Office app.
2. Click 'File' > 'Account' (on Windows) or 'About' from the app menu (on Mac).
3. Locate product info showing version and subscription type.
4. Alternatively, check system's installed programs list for version.

How to repair Microsoft Office apps that keep crashing after an update

If Office apps crash after an update, start with the Quick Repair option in Windows Settings > Apps > Microsoft Office > Modify. It fixes common issues in 5-10 minutes without requiring internet. The other half of this decision is pdf apps preserving text select.

If crashes persist, use Online Repair, which reinstalls Office and fixes deeper problems but needs a stable internet connection and can take 15-30 minutes.

Mac users should update Office via the Microsoft AutoUpdate tool or reinstall Office from the official site if problems continue.

Sometimes uninstalling Office fully and reinstalling fresh is the only fix, especially if corruption occurred during update. For the detail, see our notes on understanding app functions.

Make sure Windows or macOS itself is fully updated, as system-level issues can cause Office instability.

1. Go to Windows Settings > Apps > Microsoft Office > Modify.
2. Select Quick Repair and run it without internet.
3. If unresolved, repeat and choose Online Repair with internet.
4. Restart your PC after repair completes.
5. On Mac, use Microsoft AutoUpdate or reinstall Office.

How to choose a free office suite that opens docx and xlsx files without layout loss

LibreOffice and OnlyOffice are two free suites that open and edit Microsoft Word and Excel files with good layout fidelity.

LibreOffice handles complex formatting better in word processing but may slightly alter some Excel formulas or layouts. There is more on video converter low bitrate 1080p in a separate guide.

OnlyOffice offers closer compatibility with Excel formulas and charts but may have fewer formatting features in text documents.

Google Docs and Sheets are free but require uploading files online and can lose some advanced formatting or macros.

Choose based on whether you prioritize offline use and layout fidelity (LibreOffice, OnlyOffice) or real-time collaboration (Google Docs). For the detail, see our notes on what is screen recorder on android.

Step-by-step how to repair Microsoft Office apps on Windows

Use these steps to repair Office on Windows 10 or 11 precisely and avoid common pitfalls.

The process differs a bit by your Office version but generally follows the same path in system settings.

If you have an older version like Office 2013, the repair path may be slightly different: open Control Panel > Programs and Features, select Office, then click Change to access repair options.

During the repair process, watch for prompts asking if you want to keep or remove user settings and preferences. Choosing to keep them preserves your personalized templates and customizations but may retain corrupted configurations causing issues.

After completing repair, open several Office apps and test common functions like opening, saving, and printing documents to confirm the repair's success. Persistent issues may indicate deeper system problems unrelated to Office itself.

1. Close all Office apps to prevent conflicts.
2. Open Settings > Apps > Apps & features.
3. Scroll to find Microsoft Office in the list.
4. Click it, then choose Modify.
5. Select Quick Repair and confirm to run.
6. If Quick Repair fails, repeat and select Online Repair.
7. Restart your PC after repair completes.
8. Open an Office app and test functionality.

How to repair Microsoft Office apps on Mac

Mac users cannot run a repair tool like Windows, so the best option is to update Office using Microsoft AutoUpdate.

Open any Office app, go to Help > Check for Updates, and install all updates available.

If problems persist, uninstall Office by dragging the apps to Trash, then reinstall from your Microsoft account online.

Backing up documents before uninstalling is critical to avoid accidental loss.

Check macOS is updated too, as Office versions depend on compatible macOS builds.

1. Open Word or Excel on Mac.
2. Go to Help > Check for Updates.
3. Install any available updates and restart apps.
4. If issues continue, close apps and uninstall Office.
5. Reinstall Office from Microsoft account downloads page.
6. Open and sign in to activate Office.

Common mistakes when repairing Microsoft Office and what to do instead

Trying to repair Office without closing all apps risks incomplete fixes and errors during the process.

Skipping a PC or Mac restart after repair often leaves changes incomplete, causing recurring crashes.

Not backing up documents leads to permanent data loss if something goes wrong during repair or reinstall.

Confusing Quick Repair with Online Repair causes wasted time; start with Quick Repair unless the problem is severe.

Downloading Office from unofficial sources risks malware and invalid licenses.

• Not closing Office apps -> Close all Office apps before repair.
• Skipping restart -> Always restart your computer after repair.
• No backup -> Backup important documents before repair.
• Using Online Repair first -> Use Quick Repair first if unsure.
• Untrusted downloads -> Download Office only from Microsoft.

Questions people still ask

I’ve fixed Office crashes on multiple PCs by starting with Quick Repair and backing up first.